NitroFlare GL250 - Enterprise Linux System Administration

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  1. golden_plaza

    golden_plaza Member

    Aug 19, 2015
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    GL250 - Enterprise Linux System Administration

    The GL250 is an in-depth course that explores installation, configuration and maintenance of Linux systems. The course focuses on issues universal to every workstation and server. Like all Guru Labs courses, the course material is designed to provide extensive hands-on experience. Topics include: installation and configuration; the boot process; user and group administration; filesystem administration, including quotas, FACLs, RAID and LVM; task automation; client networking; SELinux; software management; log files; troubleshooting; and more.


    Students should already be comfortable working in a Linux or Unix environment. Fundamentals such as the Linux filesystem, process management, and how to edit files will not be covered in class. An understanding of network concepts, and the TCP/IP protocol suite is helpful. These skills are taught in the GL120 "Linux Fundamentals" course.
    Supported Distributions:
    Red Hat Enterprise Linux 7
    SUSE Linux Enterprise 12
    Course Outline:

    Linux Kernel & Devices
    Hardware Discovery Tools
    Configuring New Hardware with hwinfo
    Kernel Hardware Info â€" /sys/
    /sys/ Structure
    Managing Linux Device Files
    List Block Devices
    SCSI Devices
    USB Devices
    USB Architecture
    Kernel Modules
    Configuring Kernel Components and Modules
    Handling Module Dependencies
    Configuring the Kernel via /proc/
    Virtual Terminals
    Serial Ports
    Random Numbers and /dev/random
    Lab Tasks
    Adjusting Kernel Options
    Introduction to Troubleshooting Labs
    Troubleshooting Practice: Kernel Modules
    Boot Process & Systemd
    System Boot Method Overview
    systemd System and Service Manager
    systemd Targets
    Using systemd
    Legacy Support for SysV init
    Booting Linux on PCs
    GRUB 2
    GRUB 2 Configuration
    GRUB 2 Security
    Boot Parameters
    Initial RAM Filesystem
    Linux Runlevels Aliases
    Systemd and
    Systemd and
    Legacy local bootup script support
    System Configuration Files
    RHEL7 Configuration Utilities
    SLES12 Configuration Utilities
    Shutdown and Reboot
    Lab Tasks
    Boot Process
    Booting directly to a bash shell
    GRUB Command Line
    Basic GRUB Security
    Managing Services With Systemd's systemctl
    Troubleshooting Practice: Boot Process
    Software Maintenance
    Managing Software
    RPM Features
    RPM Architecture
    RPM Package Files
    Working With RPMs
    Querying and Verifying with RPM
    Updating the Kernel RPM
    Dealing With RPM & Yum Digest Changes
    Yum Plugins & RHN Subscription Manager
    YUM Repositories
    YUM Repository Groups
    Compiling/Installing from Source
    Manually Installed Shared Libraries
    Rebuilding Source RPM Packages
    Lab Tasks
    Managing Software with RPM
    Creating a Custom RPM Repository
    Querying the RPM Database
    Installing Software via RPM & Source and Rebuilding SRPMs
    Troubleshooting Practice: Package Management
    Local Storage Administration
    Partitioning Disks with fdisk & gdisk
    Resizing a GPT Partition with gdisk
    Partitioning Disks with parted
    Filesystem Creation
    Persistent Block Devices
    Mounting Filesystems
    Resizing Filesystems
    Filesystem Maintenance
    Managing an XFS Filesystem
    Filesystem Structures
    Determining Disk Usage With df and du
    Configuring Disk Quotas
    Setting Quotas
    Viewing and Monitoring Quotas
    Filesystem Attributes
    Lab Tasks
    Creating and Managing Filesystems
    Hot Adding Swap
    Setting User Quotas
    LVM & RAID
    Logical Volume Management
    Implementing LVM
    Creating Logical Volumes
    Activating LVM VGs
    Exporting and Importing a VG
    Examining LVM Components
    Changing LVM Components
    Advanced LVM Overview
    Advanced LVM Components
    Advanced LVM Caching
    Advanced LVM Striping & Mirroring
    Advanced LVM RAID Volumes
    SLES Graphical Disk Tool
    RAID Concepts
    Array Creation with mdadm
    Software RAID Monitoring
    Software RAID Control and Display
    Lab Tasks
    Creating and Managing LVM Volumes
    Troubleshooting Practice: LVM
    Creating and Managing a RAID-5 Array
    Remote Storage Administration
    Remote Storage Overview
    Remote Filesystem Protocols
    Remote Block Device Protocols
    File Sharing via NFS
    NFS Clients
    NFS Server Configuration
    YaST NFS Server Administration
    Implementing NFSv4
    AutoFS Configuration
    Accessing Windows/Samba Shares from Linux
    SAN Multipathing
    Multipath Configuration
    Multipathing Best Practices
    iSCSI Architecture
    Open-iSCSI Initiator Implementation
    iSCSI Initiator Discovery
    iSCSI Initiator Node Administration
    Mounting iSCSI Targets at Boot
    iSCSI Multipathing Considerations
    Lab Tasks
    Using autofs
    NFS Server Configuration
    iSCSI Initiator Configuration
    Multipathing with iSCSI
    User/Group Administration
    Approaches to Storing User Accounts
    User and Group Concepts
    User Administration
    Modifying Accounts
    Group Administration
    Password Aging
    Default User Files
    Controlling Login Sessions
    SLES DS Client Configuration
    System Security Services Daemon (SSSD)
    Lab Tasks
    User and Group Administration
    Using LDAP for Centralized User Accounts
    Troubleshooting Practice: Account Management
    Pluggable Authentication Modules (PAM)
    PAM Overview
    PAM Module Types
    PAM Order of Processing
    PAM Control Statements
    PAM Modules
    Lab Tasks
    Restricting superuser access to wheel group membership
    Using pam_nologin to Restrict Logins
    Setting Limits with the pam_limits Modules
    Using pam_limits to Restrict Simultaneous Logins
    Security Administration
    Security Concepts
    Tightening Default Security
    SuSE Security Checker
    Security Advisories
    Fine Grained Authorizations with Polkit
    File Access Control Lists
    Manipulating FACLs
    Viewing FACLs
    Backing Up FACLs
    File Creation Permissions with umask
    User Private Group Scheme
    Alternatives to UPG
    SELinux Security Framework
    SELinux Modes
    SELinux Commands
    Choosing an SELinux Policy
    SELinux Booleans
    Permissive Domains
    SELinux Policy Tools
    SUSE Basic Firewall Configuration
    Lab Tasks
    User Private Groups
    Using Filesystem ACLs
    Exploring AppArmor
    Exploring SELinux Modes
    SELinux File Contexts
    Basic Networking
    IPv4 Fundamentals
    TCP/UDP Fundamentals
    Linux Network Interfaces
    Ethernet Hardware Tools
    Network Configuration with ip Command
    Configuring Routing Tables
    IP to MAC Address Mapping with ARP
    Starting and Stopping Interfaces
    DNS Clients
    DHCP Clients
    SUSE YaST Network Configuration Tool
    Network Diagnostics
    Information from ss and netstat
    Hardware and System Clock
    Managing Network-Wide Time
    Continual Time Sync with NTP
    Configuring NTP Clients
    Useful NTP Commands

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